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Date: Mon, 23 Sep 2013 20:49:04 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12666744.1378239610521.4852.1379969344968@arcas>
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References: <JIRA.12666744.1378239610521@arcas>
Subject: [jira] [Updated] (HBASE-9420) Math.max() on syncedTillHere lacks
 synchronization
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     [ https://issues.apache.org/jira/browse/HBASE-9420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-9420:
-------------------------

    Priority: Trivial  (was: Major)

What are implications of not having this sync'd?

Setting to trivial.
                
> Math.max() on syncedTillHere lacks synchronization
> --------------------------------------------------
>
>                 Key: HBASE-9420
>                 URL: https://issues.apache.org/jira/browse/HBASE-9420
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Trivial
>             Fix For: 0.98.0
>
>         Attachments: 9420-v1.txt, 9420-v2.txt
>
>
> In FSHlog#syncer(), around line 1080:
> {code}
>       this.syncedTillHere = Math.max(this.syncedTillHere, doneUpto);
> {code}
> Assignment to syncedTillHere after computing max value is not protected by proper synchronization.

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